I guess sometimes it’s good to remember that most people in the world don’t know (and don’t care) about the semantic differences in many areas of technology. Not knowing the difference between a browser and a search engine is (I guess) a little too subtle for most. I’d also imagine that if carried out in the UK the survey results would be very similar. Although the responses would be something along the lines of “Brawser ? s’google, innit mate ? av it large ‘n all dat”